minor #6928 Update the Apache Router article to deprecate it entirely (javiereguiluz)

This PR was submitted for the 3.0 branch but it was merged into the 3.1 branch instead (closes #6928).

Discussion
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Update the Apache Router article to deprecate it entirely

It partially solves the problem pointed in #6781.

Commits
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7464f75 Update the Apache Router article to deprecate it entirely

Author: xabbuh

_build/redirection_map

@@ -2,6 +2,7 @@
 /cookbook/index /index
 /book/stable_api /contributing/code/bc
 /book/internals /reference/events
+/configuration/apache_router /routing
 /cookbook/console/sending_emails /cookbook/console/request_context
 /cookbook/deployment-tools /cookbook/deployment/tools
 /cookbook/doctrine/migrations /bundles/DoctrineFixturesBundle/index
@@ -95,7 +96,7 @@
 /cookbook/cache/form_csrf_caching /http_cache/form_csrf_caching
 /cookbook/cache/varnish /http_cache/varnish
 /cookbook/composer /setup/composer
-/cookbook/configuration/apache_router /configuration/apache_router
+/cookbook/configuration/apache_router /routing
 /cookbook/configuration/configuration_organization /configuration/configuration_organization
 /cookbook/configuration/environments /configuration/environments
 /cookbook/configuration/external_parameters /configuration/external_parameters

components/routing.rst

@@ -357,6 +357,5 @@ Learn more
     /routing/*
     /controller
     /controller/*
-    /configuration/apache_router
 
 .. _Packagist: https://packagist.org/packages/symfony/routing